Part of a headphone



FIG. 1 is a bottom view of a part of a headphone showing my new design;

FIG. 2 is a front view thereof, the rear view being a mirror image thereof;

FIG. 3 is a right side view thereof, the left side view being a mirror image thereof;

FIG. 4 is a front, bottom, and right side perspective view thereof; and,

FIG. 5 is a rear, bottom, and left side perspective view thereof. 

CLAIM The ornamental design for a part of a headphone, as shown and described. 